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Revised insights into templating radical polymerization within nanoreactors

journal contribution
posted on 2023-05-19, 04:12 authored by Tardy, A, Bhullar, KA, Lim, DQ, Stuart ThickettStuart Thickett, Zetterlund, PB
The field of polymer chemistry is currently experiencing major research efforts into development of novel techniques for synthesis of polymers with well-controlled microstructure. Recently, a new method has been reported [McHale et al., Nat. Chem. 2012, 4, 491–497] whereby high molecular weight and low dispersity polymer can be obtained by a radical polymerization process via the use of solely physico-chemical interactions. This work was based on the combination of H-bonding templated polymerization confined within nanoreactors of self-assembled block copolymers. Herein, this system is thoroughly investigated to fully elucidate the underlying mechanism. Modification of physico-chemical parameters, kinetic parameters as well as observations of size exclusion chromatography (SEC) results and colloidal behavior in various solvents provide revised insights into the mechanism. Through detailed NMR and SEC investigations, it is demonstrated that the SEC secondary peak originally believed to be the high molecular weight “daughter” polymer actually corresponds to nanoparticles containing the daughter polymer.

Funding

Australian Research Council

History

Publication title

Journal of Polymer Science. Part A

Volume

55

Issue

9

Pagination

1590-1600

ISSN

0887-624X

Department/School

School of Natural Sciences

Publisher

John Wiley & Sons Inc

Place of publication

111 River St, Hoboken, USA, Nj, 07030

Rights statement

VC 2017 Wiley Periodicals

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the chemical sciences

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